parent
b7897eef85
commit
c33ee37144
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@ -11,11 +11,11 @@
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"author": "",
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"license": "ISC",
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"dependencies": {
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"angular2": "2.0.0-alpha.46",
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"systemjs": "0.19.2"
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"angular2": "2.0.0-alpha.48",
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"systemjs": "0.19.6"
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},
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"devDependencies": {
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"live-server": "^0.8.1",
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"typescript": "^1.6.2"
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"typescript": "^1.7.2"
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}
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}
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|
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@ -0,0 +1,658 @@
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<!-- #docregion my-first-app -->
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<h3>My First Angular Application</h3>
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<!-- #enddocregion my-first-app -->
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<!-- Interpolation and expressions -->
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<hr><h2>Interpolation</h2>
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<!-- #docregion first-interpolation -->
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<p>My current hero is {{currentHero.firstName}}</p>
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<!-- #enddocregion first-interpolation -->
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<!-- #docregion title+image -->
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<h3>
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{{title}}
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<img src="{{heroImageUrl}}" style="height:30px">
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</h3>
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<!-- #enddocregion title+image -->
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<!-- #docregion sum-1 -->
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<!-- "The sum of 1 + 1 is 2" -->
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<p>The sum of 1 + 1 is {{1 + 1}}</p>
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<!-- #enddocregion sum-1 -->
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<!-- #docregion sum-2 -->
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<!-- "The sum of 1 + 1 is not 4" -->
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<p>The sum of 1 + 1 is not {{1+1+getVal()}}</p>
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<!-- #enddocregion sum-2 -->
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<!-- New Mental Model -->
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<hr><h2>New Mental Model</h2>
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<!--<img src="http://www.wpclipart.com/cartoon/people/hero/hero_silhoutte_T.png">-->
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<!-- Public Domain terms of use: http://www.wpclipart.com/terms.html -->
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<!-- #docregion img+button -->
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<div class="special">Mental Model</div>
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<div><b>{{currentHero.fullName}}</b></div>
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<img src="images/hero.png">
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<button disabled>Save</button>
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<!-- #enddocregion img+button -->
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<br><br>
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<div>
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<!-- #docregion hero-detail-1 -->
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<div class="special">Mental Model</div>
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<hero-detail></hero-detail>
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<!-- #enddocregion hero-detail-1 -->
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</div>
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<br><br>
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<div>
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<!-- #docregion disabled-button-1 -->
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<!-- Bind button disabled state to `isUnchanged` property -->
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<button [disabled]="isUnchanged">Save</button>
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<!-- #enddocregion disabled-button-1 -->
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</div>
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<br><br>
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<div>
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<!-- #docregion property-binding-syntax-1 -->
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<img [src] = "heroImageUrl">
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<hero-detail [hero]="currentHero"></hero-detail>
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<div [ng-class] = "{selected: isSelected}"></div>
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<!-- #enddocregion property-binding-syntax-1 -->
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</div>
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<br><br>
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<!-- #docregion event-binding-syntax-1 -->
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<button (click) = "onSave()">Save</button>
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<hero-detail (deleted)="onHeroDeleted()"></hero-detail>
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<div my-click (my-click)="clicked=$event">click me</div>
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<!-- #enddocregion event-binding-syntax-1 -->
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{{clicked}}
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<br><br>
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<div>
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<!-- #docregion 2-way-binding-syntax-1 -->
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<input [(ng-model)]="heroName">
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<!-- #enddocregion 2-way-binding-syntax-1 -->
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Hero Name: {{heroName}}
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</div>
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<br><br>
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<!-- #docregion attribute-binding-syntax-1 -->
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<button [attr.aria-label]="help">help</button>
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<!-- #enddocregion attribute-binding-syntax-1 -->
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<br><br>
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<!-- #docregion class-binding-syntax-1 -->
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<div [class.special]="isSpecial">Special</div>
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<!-- #enddocregion class-binding-syntax-1 -->
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<br><br>
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<!-- #docregion style-binding-syntax-1 -->
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<button [style.color] = "isSpecial ? 'red' : 'green'">
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<!-- #enddocregion style-binding-syntax-1 -->
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button</button>
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<hr><h2>kebab-case</h2>
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<!-- #docregion bad-mixed-case -->
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<!-- BAD: mixed case target names don't work
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<label [textContent] = "title"></label>
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<hero-detail [isActive] = "isActive"></hero-detail>
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-->
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<!-- #enddocregion bad-mixed-case -->
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<!-- #docregion kebab-case -->
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<!-- lower kebab-case -->
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<label [text-content] = "title"></label>
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<hero-detail [is-active] = "isActive"></hero-detail>
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<!-- #enddocregion kebab-case -->
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<!-- property vs. attribute -->
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<hr><h2>Property vs. Attribute (img examples)</h2>
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<!-- examine the following <img> tag in the browser tools -->
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<img src="images/ng-logo.png"
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[src]="heroImageUrl">
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<br><br>
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<img [src]="iconUrl"/>
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<img bind-src="heroImageUrl"/>
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<img [attr.src]="villainImageUrl"/>
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<!-- buttons -->
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<hr><h2>Buttons</h2>
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<button>Enabled (but does nothing)</button>
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<button disabled>Disabled</button>
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<button disabled=false>Still disabled</button>
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<br><br>
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<button disabled>disabled by attribute</button>
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<button [disabled]="isUnchanged">disabled by property binding</button>
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<br><br>
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<button bind-disabled="isUnchanged" on-click="onSave($event)">Disabled Cancel</button>
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<button [disabled]="!canSave" (click)="onSave($event)">Enabled Save</button>
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<!-- property binding -->
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<hr><h2>Property Binding</h2>
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<!-- #docregion property-binding-1 -->
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<img [src]="heroImageUrl">
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<!-- #enddocregion property-binding-1 -->
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<!-- #docregion property-binding-2 -->
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<button [disabled]="isUnchanged">Cancel</button>
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<!-- #enddocregion property-binding-2 -->
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<!-- #docregion property-binding-3 -->
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<div [ng-class]="'special'">NgClass is special</div>
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<!-- #enddocregion property-binding-3 -->
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<!-- #docregion property-binding-4 -->
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<hero-detail [hero]="selectedHero"></hero-detail>
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<!-- #enddocregion property-binding-4 -->
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<!-- #docregion property-binding-5 -->
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<img bind-src="heroImageUrl">
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<!-- #enddocregion property-binding-5 -->
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<!-- #docregion property-binding-6 -->
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<!-- Doesn't work! HeroDetailComponent expects a Hero, not a string -->
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<hero-detail hero="…what do we do here??? …"></hero-detail>
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<!-- #enddocregion property-binding-6 -->
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<!-- #docregion property-binding-v-interpolation -->
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<img src="{{heroImageUrl}}">
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<img [src]="'' + heroImageUrl">
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<div>The title is {{title}}</div>
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<div [text-content]="'The title is '+title"></div>
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<!-- #enddocregion property-binding-v-interpolation -->
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<!-- attribute binding -->
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<hr><h2>Attribute Binding</h2>
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<!-- create and set a colspan attribute -->
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<!-- #docregion attrib-binding-colspan -->
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<table border=1>
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<!-- expression calculates colspan=2 -->
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<tr><td [attr.colspan]="1 + 1">One-Two</td></tr>
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<!-- ERROR: There is no `colspan` property to set!
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<tr><td colspan="{{1+1}}">Three-Four</td></tr>
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-->
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<tr><td>Five</td><td>Six</td></tr>
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</table>
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<!-- #enddocregion attrib-binding-colspan -->
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<br>
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<!-- #docregion attrib-binding-aria -->
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<!-- create and set an aria attribute for assistive technology -->
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<button [attr.aria-label]="actionName">{{actionName}} with Aria</button>
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<!-- #enddocregion attrib-binding-aria -->
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<br><br>
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<!-- The following effects are not discussed in the chapter -->
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<div>
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<!-- any use of [attr.disabled] creates the disabled attribute -->
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<button [attr.disabled]="isUnchanged">Disabled</button>
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<button [attr.disabled]="!isUnchanged">Disabled as well</button>
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<!-- can't remove it with [attr.disabled] either -->
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<button disabled [attr.disabled]>Still disabled</button>
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<!-- we'd have to remove it with property binding -->
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<button disabled [disabled]="false">Enabled (but inert)</button>
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</div>
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<!-- class binding -->
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<hr><h2>Class Binding</h2>
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<!-- #docregion class-binding-1 -->
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<!-- standard class attribute setting -->
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<div class="bad curly special">Bad curly special</div>
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<!-- #enddocregion class-binding-1 -->
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<!-- #docregion class-binding-2 -->
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<!-- reset all class names with a string binding -->
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<div class="bad curly special"
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[class]="'bad curly'">Bad curly</div>
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<!-- #enddocregion class-binding-2 -->
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<!-- #docregion class-binding-3 -->
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<!-- #docregion class-binding-3a -->
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<!-- toggle the "special" class on/off with a property -->
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<div [class.special]="isSpecial">The class binding is special</div>
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<!-- #enddocregion class-binding-3a -->
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<!-- binding to `class.special` trumps the class attribute -->
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<div class="special"
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[class.special]="!isSpecial">This one is not so special</div>
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<!-- #enddocregion class-binding-3 -->
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<div bind-class.special="isSpecial">This class binding is special too</div>
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<!--style binding -->
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<hr><h2>Style Binding</h2>
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<!-- #docregion style-binding-1 -->
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<button [style.color] = "isSpecial ? 'red' : 'green'">Red</button>
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<button [style.background-color]="canSave ?'cyan' : 'grey'" >Save</button>
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<!-- #enddocregion style-binding-1 -->
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<!-- #docregion style-binding-2 -->
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<button [style.font-size.em]="isSpecial ? 3 : 1" >Big</button>
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<button [style.font-size.%]="!isSpecial ? 150 : 50" >Small</button>
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<!-- #enddocregion style-binding-2 -->
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<!-- event binding -->
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<hr><h2>Event Binding</h2>
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<!-- #docregion event-binding-1 -->
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<button (click)="onSave()">Save</button>
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<!-- #enddocregion event-binding-1 -->
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<!-- #docregion event-binding-2 -->
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<button on-click="onSave()">On Save</button>
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<!-- #enddocregion event-binding-2 -->
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<div>
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<!-- #docregion event-binding-3 -->
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<!-- `my-click` is an event on the custom `MyClickDirective` -->
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<div my-click (my-click)="clickity=$event">click with my-click</div>
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<!-- #enddocregion event-binding-3 -->
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{{clickity}}
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</div>
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<!-- binding to a nested component -->
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<!-- #docregion event-binding-to-component -->
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<hero-detail (deleted)="onHeroDeleted($event)" [hero]="currentHero">
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</hero-detail>
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<!-- #enddocregion event-binding-to-component -->
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<br>
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<big-hero-detail
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(deleted)="onHeroDeleted($event)"
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[hero]="currentHero">
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</big-hero-detail>
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<!-- #docregion event-binding-bubbling -->
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<div class="parent-div" (click)="onClickMe($event)">Click me
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<div class="child-div">Click me too!</div>
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</div>
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<!-- #enddocregion event-binding-bubbling -->
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<br><br>
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<!-- #docregion event-binding-no-propagation -->
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<!-- Will save only once -->
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<div (click)="onSave()">
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<button (click)="onSave()">Save, no propagation</button>
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</div>
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<!-- #enddocregion event-binding-no-propagation -->
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<br><br>
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<!-- #docregion event-binding-propagation -->
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<!-- Will save twice -->
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<div (click)="onSave()">
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<button (click)="onSave() || true">Save w/ propagation</button>
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</div>
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<!-- #enddocregion event-binding-propagation -->
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<br><br>
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<!-- Two way data binding unwound;
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passing the changed display value to the event handler via `$event` -->
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<hr><h2>NgModel Binding</h2>
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<h3>Result: {{currentHero.firstName}}</h3>
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<!-- #docregion without-NgModel -->
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<input [value]="currentHero.firstName"
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(input)="currentHero.firstName=$event.target.value" >
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<!-- #enddocregion without-NgModel -->
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without NgModel
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<br>
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<!-- #docregion NgModel-1 -->
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<input [(ng-model)]="currentHero.firstName">
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<!-- #enddocregion NgModel-1 -->
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[(ng-model)]
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<br>
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<!-- #docregion NgModel-2 -->
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<input bindon-ng-model="currentHero.firstName">
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<!-- #enddocregion NgModel-2 -->
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bindon-ng-model
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<br>
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<!-- #docregion NgModel-3 -->
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<input
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[ng-model]="currentHero.firstName"
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(ng-model-change)="currentHero.firstName=$event">
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<!-- #enddocregion NgModel-3 -->
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(ng-model-change) = "...firstName=$event"
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<br>
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<!-- #docregion NgModel-4 -->
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<input
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[ng-model]="currentHero.firstName"
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(ng-model-change)="setUpperCaseFirstName($event)">
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<!-- #enddocregion NgModel-4 -->
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(ng-model-change) = "setUpperCaseFirstName($event)"
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<br>
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||||
|
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<!-- NgClass binding -->
|
||||
<hr><h2>NgClass Binding</h2>
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||||
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||||
<p>setClasses returns {{setClasses() | json}}</p>
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||||
<!-- #docregion NgClass-1 -->
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||||
<div [ng-class]="setClasses()">This div is saveable and special</div>
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||||
<!-- #enddocregion NgClass-1 -->
|
||||
<div [ng-class]="setClasses()" #class-div>
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||||
After setClasses(), the classes are "{{classDiv.className}}"
|
||||
</div>
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||||
|
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<!-- not used in chapter -->
|
||||
|
||||
<div [ng-class]="isSpecial ? 'special' : ''">This div is special</div>
|
||||
|
||||
<div class="bad curly special">Bad curly special</div>
|
||||
<div [ng-class]="{bad:false, curly:true, special:true}">Curly special</div>
|
||||
|
||||
|
||||
<!-- NgStyle binding -->
|
||||
<hr><h2>NgStyle Binding</h2>
|
||||
|
||||
<!-- #docregion NgStyle-1 -->
|
||||
<div [style.font-size]="isSpecial ? 'x-large' : 'smaller'" >
|
||||
This div is x-large
|
||||
</div>
|
||||
<!-- #enddocregion NgStyle-1 -->
|
||||
|
||||
<p>setStyles returns {{setStyles() | json}}</p>
|
||||
<!-- #docregion NgStyle-2 -->
|
||||
<div [ng-style]="setStyles()">
|
||||
This div is italic, normal weight, and x-large
|
||||
</div>
|
||||
<!-- #enddocregion NgStyle-2 -->
|
||||
<div [ng-style]="setStyles()" #style-div>
|
||||
After setStyles(), the styles are "{{getStyles(styleDiv)}}"
|
||||
</div>
|
||||
|
||||
<!-- not used in chapter -->
|
||||
|
||||
|
||||
|
||||
<!-- NgIf binding -->
|
||||
<hr><h2>NgIf Binding</h2>
|
||||
|
||||
<!-- #docregion NgIf-1 -->
|
||||
<div *ng-if="currentHero">Hello, {{currentHero.firstName}}</div>
|
||||
<!-- #enddocregion NgIf-1 -->
|
||||
|
||||
<!-- #docregion NgIf-2 -->
|
||||
<!-- not displayed because nullHero is falsey.
|
||||
`nullHero.firstName` never has a chance to fail -->
|
||||
<div *ng-if="nullHero">Hello, {{nullHero.firstName}}</div>
|
||||
|
||||
<!-- Hero Detail is not in the DOM because isActive is false-->
|
||||
<hero-detail *ng-if="isActive"></hero-detail>
|
||||
<!-- #enddocregion NgIf-2 -->
|
||||
|
||||
|
||||
<!-- NgIf binding with template (no *) -->
|
||||
|
||||
<template [ng-if]="currentHero">Add {{currentHero.firstName}} with template</template>
|
||||
|
||||
<!-- Does not show because isActive is false! -->
|
||||
<div>Hero Detail removed from DOM (via template) because isActive is false</div>
|
||||
<template [ng-if]="isActive">
|
||||
<hero-detail></hero-detail>
|
||||
</template>
|
||||
|
||||
<!-- #docregion NgIf-3 -->
|
||||
<!-- isSpecial is true -->
|
||||
<div [class.hidden]="!isSpecial">Show with class</div>
|
||||
<div [class.hidden]="isSpecial">Hide with class</div>
|
||||
|
||||
<!-- HeroDetail is in the DOM but hidden -->
|
||||
<hero-detail [class.hidden]="isSpecial"></hero-detail>
|
||||
|
||||
<div [style.display]="isSpecial ? 'block' : 'none'">Show with style</div>
|
||||
<div [style.display]="isSpecial ? 'none' : 'block'">Hide with style</div>
|
||||
<!-- #enddocregion NgIf-3 -->
|
||||
|
||||
|
||||
|
||||
<!-- NgSwitch binding -->
|
||||
<hr><h2>NgSwitch Binding</h2>
|
||||
|
||||
<fieldset #toe-picker (click)="null" >
|
||||
<input type="radio" name="toes" value="Eenie">Eenie
|
||||
<input type="radio" name="toes" checked value="Meanie">Meanie
|
||||
<input type="radio" name="toes" value="Miney">Miney
|
||||
<input type="radio" name="toes" value="Moe">Moe
|
||||
<input type="radio" name="toes" value="???">???
|
||||
</fieldset>
|
||||
<!-- #docregion NgSwitch -->
|
||||
<div class="toe">You picked
|
||||
<span [ng-switch]="toeChoice(toePicker)">
|
||||
<template [ng-switch-when]="'Eenie'">Eenie</template>
|
||||
<template [ng-switch-when]="'Meanie'">Meanie</template>
|
||||
<template [ng-switch-when]="'Miney'">Miney</template>
|
||||
<template [ng-switch-when]="'Moe'">Moe</template>
|
||||
<template ng-switch-default>Other</template>
|
||||
</span>
|
||||
</div>
|
||||
<!-- #enddocregion NgSwitch -->
|
||||
|
||||
|
||||
<!-- NgFor binding -->
|
||||
<hr><h2>NgFor Binding</h2>
|
||||
|
||||
<div class="box">
|
||||
<!-- #docregion NgFor-1 -->
|
||||
<div *ng-for="#hero of heroes">{{hero.fullName}}</div>
|
||||
<!-- #enddocregion NgFor-1 -->
|
||||
</div>
|
||||
<br>
|
||||
|
||||
<div class="box">
|
||||
<!-- *ng-for w/ hero-detail Component -->
|
||||
<!-- #docregion NgFor-2 -->
|
||||
<hero-detail *ng-for="#hero of heroes" [hero]="hero"></hero-detail>
|
||||
<!-- #enddocregion NgFor-2 -->
|
||||
</div>
|
||||
<br>
|
||||
|
||||
<div class="box">
|
||||
<!-- Ex: 1 - Hercules Son of Zeus -->
|
||||
<!-- #docregion NgFor-3 -->
|
||||
<div *ng-for="#hero of heroes, #i=index">{{i+1}} - {{hero.fullName}}</div>
|
||||
<!-- #enddocregion NgFor-3 -->
|
||||
</div>
|
||||
<br>
|
||||
|
||||
<!-- * and template -->
|
||||
<hr><h2>* and Template</h2>
|
||||
|
||||
<h3>NgIf expansion</h3>
|
||||
<!-- #docregion Template-1 -->
|
||||
<hero-detail *ng-if="currentHero" [hero]="currentHero"></hero-detail>
|
||||
<!-- #enddocregion Template-1 -->
|
||||
|
||||
<!-- #docregion Template-2 -->
|
||||
<template [ng-if]="currentHero">
|
||||
<hero-detail [hero]="currentHero"></hero-detail>
|
||||
</template>
|
||||
<!-- #enddocregion Template-2 -->
|
||||
|
||||
<h3>NgFor expansion</h3>
|
||||
<div class="box">
|
||||
<!-- ng-for w/ hero-detail Component and a template "attribute" directive -->
|
||||
<!-- #docregion Template-3 -->
|
||||
<hero-detail template="ng-for #hero of heroes" [hero]="hero"></hero-detail>
|
||||
<!-- #enddocregion Template-3 -->
|
||||
</div>
|
||||
<br>
|
||||
|
||||
<div class="box">
|
||||
<!-- ng-for w/ hero-detail Component inside a template element -->
|
||||
<!-- #docregion Template-4 -->
|
||||
<template ng-for #hero [ng-for-of]="heroes">
|
||||
<hero-detail [hero]="hero"></hero-detail>
|
||||
</template>
|
||||
<!-- #enddocregion Template-4 -->
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
<!-- template local variable -->
|
||||
<hr><h2>Template local variables</h2>
|
||||
|
||||
<!-- #docregion var-phone -->
|
||||
<!-- phone refers to the input element; pass its `value` to an event handler -->
|
||||
<input #phone placeholder="phone number">
|
||||
<button (click)="callPhone(phone.value)">Call</button>
|
||||
|
||||
<!-- fax refers to the input element; pass its `value` to an event handler -->
|
||||
<input var-fax placeholder="phone number">
|
||||
<button (click)="callFax(fax.value)">Fax</button>
|
||||
<!-- #enddocregion var-phone -->
|
||||
|
||||
<h4>Example Form</h4>
|
||||
<!-- #docregion var-form -->
|
||||
<!-- #docregion var-form-a -->
|
||||
<form (ng-submit)="onSubmit(theForm)" #theForm="form">
|
||||
<!-- #enddocregion var-form-a -->
|
||||
<div class="form-group">
|
||||
<label for="name">Name</label>
|
||||
<input class="form-control" required ng-control="firstName"
|
||||
[(ng-model)]="currentHero.firstName">
|
||||
</div>
|
||||
<!-- #docregion var-form-a -->
|
||||
<button type="submit" [disabled]="!theForm.form.valid">Submit</button>
|
||||
</form>
|
||||
<!-- #enddocregion var-form-a -->
|
||||
<!-- #enddocregion var-form -->
|
||||
<br><br>
|
||||
|
||||
<!-- btn refers to the button element; show its disabled state -->
|
||||
<button #btn disabled [text-content]="'disabled by attribute: '+btn.disabled"></button>
|
||||
|
||||
<!-- inputs and output -->
|
||||
<hr><h2>Inputs and Outputs</h2>
|
||||
|
||||
<!-- #docregion io-1 -->
|
||||
<img [src]="iconUrl"/>
|
||||
<button (click)="onSave()">Save</button>
|
||||
<!-- #enddocregion io-1 -->
|
||||
|
||||
<!-- #docregion io-2 -->
|
||||
<hero-detail [hero]="currentHero" (deleted)="onHeroDeleted($event)">
|
||||
</hero-detail>
|
||||
<!-- #enddocregion io-2 -->
|
||||
|
||||
<div my-click2 (my-click)="clicked2=$event">my-click2</div>
|
||||
{{clicked2}}
|
||||
|
||||
<!-- Pipes -->
|
||||
<hr><h2>Pipes</h2>
|
||||
|
||||
<!-- #docregion pipes-1 -->
|
||||
<!-- Force title to uppercase -->
|
||||
<div>{{ title | uppercase }}</div>
|
||||
<!-- #enddocregion pipes-1 -->
|
||||
|
||||
<!-- #docregion pipes-2 -->
|
||||
<!-- Pipe chaining: force title to uppercase, then to lowercase -->
|
||||
<div>{{ title | uppercase | lowercase }}</div>
|
||||
<!-- #enddocregion pipes-2 -->
|
||||
|
||||
<!-- #docregion pipes-3 -->
|
||||
<!-- pipe with configuration argument => "February 25, 1970" -->
|
||||
<div>Birthdate: {{currentHero?.birthdate | date:'longDate'}}</div>
|
||||
<!-- #enddocregion pipes-3 -->
|
||||
|
||||
<!-- #docregion pipes-json -->
|
||||
<div>{{currentHero | json}}</div>
|
||||
|
||||
<!-- Output:
|
||||
{ "firstName": "Hercules", "lastName": "Son of Zeus",
|
||||
"birthdate": "1970-02-25T08:00:00.000Z",
|
||||
"url": "http://www.imdb.com/title/tt0065832/",
|
||||
"rate": 325, "id": 1 }
|
||||
-->
|
||||
<!-- #enddocregion pipes-json -->
|
||||
|
||||
|
||||
<div>Birthdate: {{(currentHero?.birthdate | date:'longDate') | uppercase}}</div>
|
||||
|
||||
<div>
|
||||
<!-- pipe price to USD and display the $ symbol -->
|
||||
<label>Price: </label>{{product.price | currency:'USD':true}}
|
||||
</div>
|
||||
|
||||
|
||||
<!-- Null values and the Elvis operator -->
|
||||
<hr><h2>Elvis</h2>
|
||||
|
||||
<div>
|
||||
<!-- #docregion elvis-1 -->
|
||||
The title is {{ title }}
|
||||
<!-- #enddocregion elvis-1 -->
|
||||
</div>
|
||||
|
||||
<div>
|
||||
<!-- #docregion elvis-2 -->
|
||||
The current hero's name is {{currentHero?.firstName}}
|
||||
<!-- #enddocregion elvis-2 -->
|
||||
</div>
|
||||
|
||||
<div>
|
||||
<!-- #docregion elvis-3 -->
|
||||
The current hero's name is {{currentHero.firstName}}
|
||||
<!-- #enddocregion elvis-3 -->
|
||||
</div>
|
||||
|
||||
|
||||
<!--
|
||||
The null hero's name is {{nullHero.firstName}}
|
||||
|
||||
See console log
|
||||
TypeError: Cannot read property 'firstName' of null in [null]
|
||||
-->
|
||||
|
||||
<!-- #docregion elvis-4 -->
|
||||
<!--No hero, div not displayed, no error -->
|
||||
<div *ng-if="nullHero">The null hero's name is {{nullHero.firstName}}</div>
|
||||
<!-- #enddocregion elvis-4 -->
|
||||
|
||||
<div>
|
||||
<!-- #docregion elvis-5 -->
|
||||
The null hero's name is {{nullHero && nullHero.firstName}}
|
||||
<!-- #enddocregion elvis-5 -->
|
||||
</div>
|
||||
|
||||
<div>
|
||||
<!-- #docregion elvis-6 -->
|
||||
<!-- No hero, no problem! -->
|
||||
The null hero's name is {{nullHero?.firstName}}
|
||||
<!-- #enddocregion elvis-6 -->
|
||||
</div>
|
||||
|
||||
|
||||
<!-- Todo: discuss this in the Style binding section -->
|
||||
<!-- enums in bindings -->
|
||||
<hr><h2>Enums in binding</h2>
|
||||
|
||||
<p>The name of the Color.Red enum is {{Color[Color.Red]}}</p>
|
||||
<p>The current color number is {{color}}</p>
|
||||
<p><button [style.color]="Color[color]" (click)="colorToggle()">Enum Toggle</button>
|
|
@ -0,0 +1,134 @@
|
|||
import {Component, NgForm} from 'angular2/core';
|
||||
|
||||
import {Hero} from './hero';
|
||||
import {HeroDetailComponent, BigHeroDetailComponent} from './hero-detail.component';
|
||||
import {MyClickDirective, MyClickDirective2} from './my-click.directive';
|
||||
|
||||
// Alerter fn: monkey patch during test
|
||||
export function alerter(msg?:string) {
|
||||
window.alert(msg);
|
||||
}
|
||||
|
||||
export enum Color {Red, Green, Blue};
|
||||
|
||||
/**
|
||||
* Giant grab bag of stuff to drive the chapter
|
||||
*/
|
||||
@Component({
|
||||
selector: 'my-app',
|
||||
templateUrl: 'app/app.component.html',
|
||||
directives: [
|
||||
HeroDetailComponent, BigHeroDetailComponent,
|
||||
MyClickDirective, MyClickDirective2
|
||||
]
|
||||
})
|
||||
export class AppComponent {
|
||||
|
||||
actionName = 'Go for it';
|
||||
alert = alerter;
|
||||
callFax(value:string) {this.alert(`Faxing ${value} ...`)}
|
||||
callPhone(value:string) {this.alert(`Calling ${value} ...`)}
|
||||
canSave = true;
|
||||
|
||||
Color = Color;
|
||||
color = Color.Red;
|
||||
colorToggle() {this.color = (this.color === Color.Red)? Color.Blue : Color.Red}
|
||||
|
||||
currentHero = Hero.MockHeroes[0];
|
||||
|
||||
getStyles(el:Element){
|
||||
let styles = window.getComputedStyle(el);
|
||||
let showStyles = {};
|
||||
for (var p in this.setStyles()){
|
||||
showStyles[p] = styles[p];
|
||||
}
|
||||
return JSON.stringify(showStyles);
|
||||
}
|
||||
|
||||
getVal() {return this.val};
|
||||
|
||||
heroes = Hero.MockHeroes;
|
||||
|
||||
// heroImageUrl = 'http://www.wpclipart.com/cartoon/people/hero/hero_silhoutte_T.png';
|
||||
// Public Domain terms of use: http://www.wpclipart.com/terms.html
|
||||
heroImageUrl = 'images/hero.png';
|
||||
|
||||
//iconUrl = 'https://angular.io/resources/images/logos/standard/shield-large.png';
|
||||
iconUrl = 'images/ng-logo.png';
|
||||
isActive = false;
|
||||
isSpecial = true;
|
||||
isUnchanged = true;
|
||||
|
||||
nullHero:Hero = null; // or undefined
|
||||
|
||||
onCancel(event:KeyboardEvent){
|
||||
let evtMsg = event ? ' Event target is '+ (<HTMLElement>event.target).innerHTML : '';
|
||||
this.alert('Canceled.'+evtMsg)
|
||||
}
|
||||
|
||||
onClickMe(event:KeyboardEvent){
|
||||
let evtMsg = event ? ' Event target class is '+ (<HTMLElement>event.target).className : '';
|
||||
this.alert('Click me.'+evtMsg)
|
||||
}
|
||||
|
||||
onHeroDeleted(hero:Hero){
|
||||
this.alert('Deleted hero: '+ (hero && hero.firstName))
|
||||
}
|
||||
|
||||
onSave(event:KeyboardEvent){
|
||||
let evtMsg = event ? ' Event target is '+ (<HTMLElement>event.target).innerText : '';
|
||||
this.alert('Saved.'+evtMsg)
|
||||
}
|
||||
|
||||
onSubmit(form:NgForm){
|
||||
let evtMsg = form.valid ?
|
||||
' Form value is '+ JSON.stringify(form.value) :
|
||||
' Form is invalid';
|
||||
this.alert('Form submitted.'+evtMsg)
|
||||
}
|
||||
|
||||
product = {
|
||||
name: 'frimfram',
|
||||
price: 42
|
||||
};
|
||||
|
||||
setUpperCaseFirstName(firstName:string){
|
||||
//console.log(firstName);
|
||||
this.currentHero.firstName = firstName.toUpperCase();
|
||||
}
|
||||
|
||||
// #docregion setClasses
|
||||
setClasses() {
|
||||
return {
|
||||
saveable: this.canSave, // true
|
||||
modified: !this.isUnchanged, // false
|
||||
special: this.isSpecial, // true
|
||||
}
|
||||
}
|
||||
// #enddocregion setClasses
|
||||
|
||||
// #docregion setStyles
|
||||
setStyles() {
|
||||
return {
|
||||
'font-style': this.canSave ? 'italic' : 'normal', // italic
|
||||
'font-weight': !this.isUnchanged ? 'bold' : 'normal', // normal
|
||||
'font-size': this.isSpecial ? 'x-large': 'smaller', // larger
|
||||
}
|
||||
}
|
||||
// #enddocregion setStyles
|
||||
|
||||
toeChoice(picker:HTMLFieldSetElement){
|
||||
let choices = picker.children;
|
||||
for (let i=0; i<choices.length; i++){
|
||||
var choice = <HTMLInputElement>choices[i];
|
||||
if (choice.checked) {return choice.value}
|
||||
}
|
||||
}
|
||||
|
||||
title = 'Template Syntax'
|
||||
val=2;
|
||||
// villainImageUrl = 'http://www.clker.com/cliparts/u/s/y/L/x/9/villain-man-hi.png'
|
||||
// Public Domain terms of use http://www.clker.com/disclaimer.html
|
||||
villainImageUrl = 'images/villain.png'
|
||||
|
||||
}
|
|
@ -1,383 +0,0 @@
|
|||
<!-- Interpolation and expressions</h1> -->
|
||||
<h3>My First Angular Application</h3>
|
||||
<h3>
|
||||
{{title}}
|
||||
<img src="{{heroImageUrl}}" style="height:30px">
|
||||
</h3>
|
||||
<p>My current hero is {{currentHero.firstName}}</p>
|
||||
|
||||
<div title="Hello {{currentHero.firstName}}">
|
||||
Hey there, {{currentHero.firstName}}
|
||||
</div>
|
||||
|
||||
<h3 [text-content]="'The title is '+title"></h3>
|
||||
<h3>The title is {{title}}</h3>
|
||||
<h3>The sum of 1 + 1 is not {{1+1+getVal()}}</h3>
|
||||
<h3 id="3" #f>The element id is {{f.id}}</h3>
|
||||
|
||||
<hr>
|
||||
<img src="{{heroImageUrl}}"/>
|
||||
<img [src]="'' + heroImageUrl"/>
|
||||
|
||||
<h3>The title is {{title}}</h3>
|
||||
<h3 [text-content]="'The title is '+title"></h3>
|
||||
|
||||
|
||||
|
||||
<!-- New Mental Model -->
|
||||
<hr>
|
||||
<div class="special">Mental Model</div>
|
||||
|
||||
<div class="special">
|
||||
<!--<img src="http://www.wpclipart.com/cartoon/people/hero/hero_silhoutte_T.png">-->
|
||||
<img src="images/hero.png">
|
||||
<button disabled>Save</button>
|
||||
</div>
|
||||
|
||||
<div *ng-if="false">
|
||||
<hero-detail></hero-detail>
|
||||
</div>
|
||||
|
||||
<hr>
|
||||
<!-- BAD: No Mixed Case
|
||||
<h3 [textContent]="title"></h3>
|
||||
-->
|
||||
<!-- property over attribute -->
|
||||
<!-- examine the following <img> tag in the browser tools -->
|
||||
<img src="images/ng-logo.png"
|
||||
[src]="heroImageUrl">
|
||||
<hr>
|
||||
<h3 [text-content]="title"></h3>
|
||||
<hr/>
|
||||
<img [src]="iconUrl"/>
|
||||
<img bind-src="heroImageUrl"/>
|
||||
<img [attr.src]="villainImageUrl"/>
|
||||
|
||||
|
||||
|
||||
<!-- buttons -->
|
||||
<hr>
|
||||
|
||||
<button>Enabled</button>
|
||||
<button disabled>Disabled</button>
|
||||
<button disabled=false>Still disabled</button>
|
||||
<hr>
|
||||
<button disabled>disabled by attribute</button>
|
||||
<button [disabled]="isUnchanged">disabled by property binding</button>
|
||||
|
||||
<button bind-disabled="isUnchanged" on-click="onSave($event)">Disabled Cancel</button>
|
||||
<button [disabled]="!canSave" (click)="onSave($event)">Enabled Save</button>
|
||||
<hr>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- event binding -->
|
||||
|
||||
<button (click)="onSave()">Save</button>
|
||||
<button on-click="onSave()">On Save</button>
|
||||
<button (click)="onSave() || true">Save w/ propagation</button>
|
||||
|
||||
<button (click)="onClickMe()">Click me!</button>
|
||||
|
||||
<div class="parent-div" (click)="onClickMe($event)">Click me
|
||||
<div class="child-div">Click me too!</div>
|
||||
</div>
|
||||
|
||||
<click-me></click-me>
|
||||
|
||||
<h4>keyup loop-back component</h4>
|
||||
<loop-back></loop-back>
|
||||
|
||||
<key-up></key-up>
|
||||
|
||||
<key-up2></key-up2>
|
||||
|
||||
<key-up3></key-up3>
|
||||
<br>
|
||||
<div class="box">
|
||||
<little-tour></little-tour>
|
||||
</div>
|
||||
|
||||
<!-- attribute binding -->
|
||||
<hr>
|
||||
<!-- any value creates the disabled attribute -->
|
||||
<button [attr.disabled]="isUnchanged">Disabled</button>
|
||||
<button [attr.disabled]="isUnchanged">Disabled as well</button>
|
||||
|
||||
<!-- lack of expression removes the attribute -->
|
||||
<button disabled [attr.disabled]>Enabled</button>
|
||||
|
||||
<!-- create and set an aria attribute for assistive technology -->
|
||||
<button [attr.aria-label]="actionName">{{actionName}} with Aria</button>
|
||||
|
||||
<!-- create and set a span attribute -->
|
||||
<table border=1>
|
||||
<tr><td>One</td><td>Two</td></tr>
|
||||
|
||||
<!-- ERROR: There is no `colspan` property to set!
|
||||
<tr><td colspan="{{1+1}}">Three-Four</td></tr>
|
||||
-->
|
||||
|
||||
<!-- expression calculates colspan=2 -->
|
||||
<tr><td [attr.colspan]="1 + 1">Five-Six</td></tr>
|
||||
</table>
|
||||
<hr>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- class binding -->
|
||||
<hr>
|
||||
<div class="special">The class is special</div>
|
||||
<div [class]="'special'">The class is special</div>
|
||||
<!-- toggle the "special" class on and ohf -->
|
||||
<div [class.special]="isSpecial">The class binding is special</div>
|
||||
|
||||
<div class="special" [class.special]="!isSpecial">This one is not so special</div>
|
||||
|
||||
<div bind-class.special="isSpecial">This class binding is special too</div>
|
||||
|
||||
|
||||
|
||||
|
||||
<!--style binding -->
|
||||
<hr>
|
||||
<button [style.color] = "isSpecial ? 'red' : 'green'">Red</button>
|
||||
<button [style.background-color]="canSave ?'cyan' : 'grey'" >Save</button>
|
||||
<button [style.font-size.em]="isSpecial ? 3 : 1" >Big</button>
|
||||
<button [style.font-size.%]="!isSpecial ? 150 : 50" >Small</button>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- binding to a nested component -->
|
||||
<hr>
|
||||
<div>{{currentHero?.firstName}}</div>
|
||||
|
||||
<hero-detail [hero]="currentHero" (deleted)="onDeleted($event)"></hero-detail>
|
||||
|
||||
|
||||
|
||||
<!-- Two way data binding unwound;
|
||||
passing the changed display value to the event handler via `$event` -->
|
||||
<hr>
|
||||
<input [value]="currentHero.firstName"
|
||||
(input)="currentHero.firstName=$event.target.value" >
|
||||
<br>
|
||||
<input [(ng-model)]="currentHero.firstName">
|
||||
<br>
|
||||
<input
|
||||
[ng-model]="currentHero.firstName"
|
||||
(ng-model-change)="currentHero.firstName=$event">
|
||||
<br>
|
||||
<input
|
||||
[ng-model]="currentHero.lastName"
|
||||
(ng-model-change)="setLastName($event)">
|
||||
<br>
|
||||
|
||||
<div>{{currentHero.fullName}}</div>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- NgClass binding -->
|
||||
<hr>
|
||||
<div [ng-class]="isSpecial ? special : ''">This div is special</div>
|
||||
|
||||
<div [ng-class]="setClasses()">This div is saveable and special</div>
|
||||
<div [ng-class]="setClasses()" #class-div>
|
||||
After setClasses(), the classes are "{{classDiv.className}}"
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- NgStyle binding -->
|
||||
<hr>
|
||||
<div [style.font-size]="isSpecial ? 'larger' : 'smaller'" >This div is larger</div>
|
||||
|
||||
<div [ng-style]="setStyles()">This div is italic, normal weight, and larger</div>
|
||||
<div [ng-style]="setStyles()" #class-div>
|
||||
After setStyles(), the styles are "{{getStyles(classDiv)}}"
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- NgIf binding -->
|
||||
<hr>
|
||||
<div><b>NgIf Binding</b></div>
|
||||
|
||||
<div *ng-if="currentHero">Add {{currentHero.firstName}}</div>
|
||||
<div *ng-if="nullHero">Remove {{nullHero.firstName}}</div>
|
||||
|
||||
<div>Hero Detail removed from DOM because isActive is false</div>
|
||||
<hero-detail *ng-if="isActive" [hero]="currentHero"></hero-detail>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- NgIf binding with template (no *) -->
|
||||
|
||||
<template [ng-if]="currentHero">Add {{currentHero.firstName}} with template</template>
|
||||
|
||||
<!-- Does not show because isActive is false! -->
|
||||
<div>Hero Detail removed from DOM (via template) because isActive is false</div>
|
||||
<template [ng-if]="isActive">
|
||||
<hero-detail [hero]="currentHero"></hero-detail>
|
||||
</template>
|
||||
|
||||
<!-- isSpecial is true -->
|
||||
<div [class.hidden]="!isSpecial">Show with class</div>
|
||||
<div [class.hidden]="isSpecial">Hide with class</div>
|
||||
<hero-detail [class.hidden]="isSpecial" [hero]="currentHero"></hero-detail>
|
||||
|
||||
<div [style.display]="isSpecial ? 'block' : 'none'">Show with style</div>
|
||||
<div [style.display]="isSpecial ? 'none' : 'block'">Hide with style</div>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- NgSwitch binding -->
|
||||
<hr>
|
||||
<div><b>NgSwitch Binding</b></div>
|
||||
<fieldset #toe-picker (click)="null" >
|
||||
<input type="radio" name="toes" value="Eenie">Eenie
|
||||
<input type="radio" name="toes" checked value="Meanie">Meanie
|
||||
<input type="radio" name="toes" value="Miney">Miney
|
||||
<input type="radio" name="toes" value="Moe">Moe
|
||||
<input type="radio" name="toes" value="???">???
|
||||
</fieldset>
|
||||
<div class="toe">You picked
|
||||
<span [ng-switch]="toeChoice(toePicker)">
|
||||
<template [ng-switch-when]="'Eenie'">Eenie</template>
|
||||
<template [ng-switch-when]="'Meanie'">Meanie</template>
|
||||
<template [ng-switch-when]="'Miney'">Miney</template>
|
||||
<template [ng-switch-when]="'Moe'">Moe</template>
|
||||
<template ng-switch-default>Other</template>
|
||||
</span>
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
<!-- NgFor binding -->
|
||||
<hr>
|
||||
<div><b>NgFor Binding</b></div>
|
||||
<br>
|
||||
|
||||
<div class="box">
|
||||
<!-- *ng-for of div w/ interpolation -->
|
||||
<div *ng-for="#hero of heroes">{{hero.fullName}}</div>
|
||||
</div>
|
||||
<br>
|
||||
|
||||
<div class="box">
|
||||
<!-- *ng-for of div w/ interpolation -->
|
||||
<!-- Ex: 1 - Hercules Son of Zeus -->
|
||||
<div *ng-for="#hero of heroes, #i=index">{{i+1}} - {{hero.fullName}}</div>
|
||||
</div>
|
||||
<br>
|
||||
|
||||
<div class="box">
|
||||
<!-- *ng-for w/ little-hero Component -->
|
||||
<little-hero *ng-for="#hero of heroes" [hero]="hero"></little-hero>
|
||||
</div>
|
||||
<br>
|
||||
|
||||
<div class="box">
|
||||
<!-- ng-for w/ little-hero Component and a template "attribute" directive -->
|
||||
<little-hero template="ng-for #hero of heroes" [hero]="hero"></little-hero>
|
||||
</div>
|
||||
<br>
|
||||
|
||||
<div class="box">
|
||||
<!-- ng-for w/ little-hero Component inside a template element -->
|
||||
<template ng-for #hero [ng-for-of]="heroes">
|
||||
<little-hero [hero]="hero"></little-hero>
|
||||
</template>
|
||||
</div>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- Pipe operator -->
|
||||
<hr>
|
||||
<!-- Force title to uppercase -->
|
||||
<div>{{ title | uppercase }}</div>
|
||||
|
||||
<!-- Pipe chaining: force title to uppercase, then to lowercase -->
|
||||
<div>{{ title | uppercase | lowercase }}</div>
|
||||
|
||||
<!-- pipe with configuration argument -->
|
||||
<div>Birthdate: {{currentHero?.birthdate | date:'longDate'}}</div>
|
||||
|
||||
<div>Birthdate: {{(currentHero?.birthdate | date:'longDate') | uppercase}}</div>
|
||||
|
||||
|
||||
<div>
|
||||
<!-- pipe price to USD and display the $ symbol -->
|
||||
<label>Price: </label>{{product.price | currency:'USD':true}}
|
||||
</div>
|
||||
|
||||
|
||||
<!-- Null values and the Elvis operator -->
|
||||
<hr>
|
||||
<div>The title is {{ title }}</div>
|
||||
|
||||
<div>The current hero's name is {{currentHero?.firstName}}</div>
|
||||
|
||||
<div>The current hero's name is {{currentHero.firstName}}</div>
|
||||
|
||||
<!--
|
||||
<div>The null hero's name is {{nullHero.firstName}}</div>
|
||||
|
||||
See console log
|
||||
TypeError: Cannot read property 'firstName' of null in [null]
|
||||
-->
|
||||
<!--No hero, div not displayed, no error -->
|
||||
<div *ng-if="nullHero">The null hero's name is {{nullHero?.firstName}}</div>
|
||||
|
||||
<!--guard in the expression, no display, no error
|
||||
[FAILS No short-circuiting of logical operators]
|
||||
<div>The null hero's name is {{nullHero && nullHero.firstName}}</div>
|
||||
-->
|
||||
|
||||
<!-- No hero, no problem! -->
|
||||
<div>The null hero's name is {{nullHero?.firstName}}</div>
|
||||
|
||||
|
||||
|
||||
|
||||
<!-- template local variable -->
|
||||
<hr>
|
||||
<h3>Template Driven Form</h3>
|
||||
<form (ng-submit)="onSubmit(hf)" #hf="form">
|
||||
<div class="form-group">
|
||||
<label for="name">Name</label>
|
||||
<input type="text" class="form-control" required
|
||||
ng-control="firstName"
|
||||
[(ng-model)]="currentHero.firstName">
|
||||
</div>
|
||||
<button type="submit" [disabled]="!hf.form.valid">Submit</button>
|
||||
</form>
|
||||
<hr>
|
||||
|
||||
|
||||
<!-- btn refers to the button element; show its disabled state -->
|
||||
<button #btn disabled [text-content]="'disabled by attribute: '+btn.disabled"></button>
|
||||
|
||||
<!-- phone refers to the input element; pass its `value` to an event handler -->
|
||||
<input #phone placeholder="phone number">
|
||||
<button (click)="callPhone(phone.value)">Call</button>
|
||||
|
||||
<!-- ohficFax refers to the input element; pass its `value` to an event handler -->
|
||||
<input var-ohfice-fax placeholder="phone number">
|
||||
<button (click)="callFax(ohficeFax.value)">Fax</button>
|
||||
|
||||
<!-- enums in bindings -->
|
||||
<hr>
|
||||
<h2>Enums in bindings </h2>
|
||||
<p>The name of the Color.Red enum is {{Color[Color.Red]}}</p>
|
||||
<p>The current color number is {{color}}</p>
|
||||
<p><button [style.color]="Color[color]" (click)="colorToggle()">Enum Toggle</button>
|
|
@ -1,299 +0,0 @@
|
|||
// NOT EVERYTHING IS NEEDED BY TEMPLATE-SYNTAX CHAPTER
|
||||
// Much left-over from support for "User Input" chapter such as
|
||||
// ClickMeComponent,
|
||||
// KeyUpComponent, KeyUpComponentV2, KeyUpComponentV3,
|
||||
// LittleTour, LoopbackComponent,
|
||||
// TODO: purge extraneous material
|
||||
|
||||
|
||||
/// #docplaster
|
||||
|
||||
import {bootstrap, Component, CORE_DIRECTIVES,
|
||||
Input, Output,
|
||||
Directive,
|
||||
ElementRef, EventEmitter,
|
||||
NgForm, FORM_DIRECTIVES
|
||||
} from 'angular2/angular2';
|
||||
|
||||
class Hero {
|
||||
public id:number
|
||||
|
||||
constructor(
|
||||
public firstName:string,
|
||||
public lastName?:string,
|
||||
public birthdate?:Date,
|
||||
public url?:string,
|
||||
public rate:number = 100) {
|
||||
this.id = Hero.nextId++;
|
||||
}
|
||||
|
||||
get fullName() {return `${this.firstName} ${this.lastName}`;}
|
||||
|
||||
static nextId = 1;
|
||||
|
||||
static MockHeroes = [
|
||||
new Hero(
|
||||
'Hercules',
|
||||
'Son of Zeus',
|
||||
new Date(1970, 1, 25),
|
||||
'http://www.imdb.com/title/tt0065832/',
|
||||
325),
|
||||
|
||||
new Hero('eenie', 'toe'),
|
||||
new Hero('Meanie', 'Toe'),
|
||||
new Hero('Miny', 'Toe'),
|
||||
new Hero('Moe', 'Toe')
|
||||
];
|
||||
}
|
||||
|
||||
// for fun; not used (yet)
|
||||
@Directive({selector: 'select'})
|
||||
class DecoratorDirective {
|
||||
constructor(el: ElementRef){
|
||||
console.log(el)
|
||||
}
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'hero-detail',
|
||||
/*
|
||||
inputs: ['hero'],
|
||||
outputs: ['deleted'],
|
||||
*/
|
||||
template: `
|
||||
<div style="border: 1px solid black; padding:3px">
|
||||
<div><b>Hero Detail: {{hero?.fullName}}</b></div>
|
||||
<div>First: {{hero?.firstName}}</div>
|
||||
<div>Last: {{hero?.lastName}}</div>
|
||||
<div>Birthdate: {{hero?.birthdate | date:'longDate'}}</div>
|
||||
<div>Web: <a href="{{hero?.url}}" target="_blank">{{hero?.url}}</a></div>
|
||||
<div>Rate/hr: {{hero?.rate | currency:'EUR'}}</div>
|
||||
<button (click)="onDelete()">Delete</button>
|
||||
</div>
|
||||
`
|
||||
})
|
||||
class HeroDetailComponent {
|
||||
|
||||
@Input()
|
||||
hero: Hero;
|
||||
|
||||
@Output()
|
||||
deleted = new EventEmitter<Hero>();
|
||||
|
||||
onDelete() {
|
||||
this.deleted.next(this.hero);
|
||||
}
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'little-hero',
|
||||
template: '<div>{{hero?.fullName}}</div>'
|
||||
})
|
||||
class LittleHeroComponent {
|
||||
@Input()
|
||||
hero: Hero;
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'click-me',
|
||||
template: '<button (click)="onClickMe()">Click me</button>'
|
||||
})
|
||||
class ClickMeComponent {
|
||||
onClickMe(){
|
||||
alert('You are my hero!')
|
||||
}
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'loop-back',
|
||||
template: '<input #box (keyup)="0"> <p>{{box.value}}</p>'
|
||||
})
|
||||
class LoopbackComponent {
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'key-up',
|
||||
template: `
|
||||
<h4>Give me some keys!</h4>
|
||||
<div><input (keyup)="onKey($event)"><div>
|
||||
<div>{{values}}</div>
|
||||
`
|
||||
})
|
||||
class KeyUpComponent {
|
||||
values='';
|
||||
onKey(event:KeyboardEvent) {
|
||||
this.values += (<HTMLInputElement>event.target).value + ' | ';
|
||||
}
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'key-up2',
|
||||
template: `
|
||||
<h4>Give me some more keys!</h4>
|
||||
<div><input #box (keyup)="onKey(box.value)"><div>
|
||||
<div>{{values}}</div>
|
||||
`
|
||||
})
|
||||
class KeyUpComponentV2 {
|
||||
values='';
|
||||
onKey(value:string) {
|
||||
this.values += value + ' | ';
|
||||
}
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'key-up3',
|
||||
template: `
|
||||
<h4>Type away! Press [enter] when done.</h4>
|
||||
<div><input #box (keyup.enter)="values=box.value"><div>
|
||||
<div>{{values}}</div>
|
||||
`
|
||||
})
|
||||
class KeyUpComponentV3 {
|
||||
values='';
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'little-tour',
|
||||
template: `
|
||||
<h4>Little Tour of Heroes</h4>
|
||||
<input #box
|
||||
(keyup.enter)="addHero(box.value)"
|
||||
(blur)="addHero(box.value)">
|
||||
<button (click)=addHero(box.value)>Add</button>
|
||||
<ul><li *ng-for="#hero of heroes">{{hero}}</li></ul>
|
||||
`,
|
||||
directives: [CORE_DIRECTIVES]
|
||||
})
|
||||
class LittleTour {
|
||||
heroes=['Windstorm', 'Bombasto', 'Magneta', 'Tornado'];
|
||||
|
||||
addHero(newHero:string) {
|
||||
if (newHero) {
|
||||
this.heroes.push(newHero);
|
||||
newHero = null; // clear the newHero textbox
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bootstrap(LittleTour);
|
||||
|
||||
enum Color {Red, Green, Blue};
|
||||
|
||||
@Component({
|
||||
selector: 'my-app',
|
||||
templateUrl: 'app/app.html',
|
||||
directives: [
|
||||
CORE_DIRECTIVES, FORM_DIRECTIVES,
|
||||
ClickMeComponent,
|
||||
KeyUpComponent, KeyUpComponentV2, KeyUpComponentV3,
|
||||
LittleTour, LoopbackComponent,
|
||||
HeroDetailComponent, LittleHeroComponent
|
||||
]
|
||||
})
|
||||
class AppComponent {
|
||||
|
||||
actionName = 'Go for it';
|
||||
callFax(value:string) {alert(`Faxing ${value} ...`)}
|
||||
callPhone(value:string) {alert(`Calling ${value} ...`)}
|
||||
canSave = true;
|
||||
|
||||
Color = Color;
|
||||
color = Color.Red;
|
||||
colorToggle() {this.color = (this.color === Color.Red)? Color.Blue : Color.Red}
|
||||
|
||||
currentHero = Hero.MockHeroes[0];
|
||||
|
||||
getStyles(el:Element){
|
||||
let styles = window.getComputedStyle(el);
|
||||
let showStyles = {};
|
||||
for (var p in this.setStyles()){
|
||||
showStyles[p] = styles[p];
|
||||
}
|
||||
return JSON.stringify(showStyles);
|
||||
}
|
||||
|
||||
getVal() {return this.val};
|
||||
|
||||
heroes = Hero.MockHeroes;
|
||||
|
||||
//heroImageUrl = 'http://www.wpclipart.com/cartoon/people/hero/hero_silhoutte_T.png';
|
||||
heroImageUrl = 'images/hero.png';
|
||||
|
||||
//iconUrl = 'https://angular.io/resources/images/logos/standard/shield-large.png';
|
||||
iconUrl = 'images/ng-logo.png';
|
||||
isActive = false;
|
||||
isSpecial = true;
|
||||
isUnchanged = true;
|
||||
|
||||
nullHero:Hero = null; // or undefined
|
||||
|
||||
onCancel(event:KeyboardEvent){
|
||||
let evtMsg = event ? ' Event target is '+ (<HTMLElement>event.target).innerHTML : '';
|
||||
alert('Canceled.'+evtMsg)
|
||||
}
|
||||
|
||||
onClickMe(event:KeyboardEvent){
|
||||
let evtMsg = event ? ' Event target class is '+ (<HTMLElement>event.target).className : '';
|
||||
alert('Click me.'+evtMsg)
|
||||
}
|
||||
|
||||
onDeleted(hero:Hero){
|
||||
alert('Deleted hero: '+ (hero && hero.firstName))
|
||||
}
|
||||
|
||||
onSave(event:KeyboardEvent){
|
||||
let evtMsg = event ? ' Event target is '+ (<HTMLElement>event.target).innerText : '';
|
||||
alert('Saved.'+evtMsg)
|
||||
}
|
||||
|
||||
onSubmit(form:NgForm){
|
||||
let evtMsg = form.valid ?
|
||||
' Form value is '+ JSON.stringify(form.value) :
|
||||
' Form is invalid';
|
||||
alert('Form submitted.'+evtMsg)
|
||||
}
|
||||
|
||||
product = {
|
||||
name: 'frimfram',
|
||||
price: 42
|
||||
};
|
||||
|
||||
setLastName(lastName:string){
|
||||
console.log(lastName);
|
||||
this.currentHero.lastName = lastName;
|
||||
}
|
||||
|
||||
setClasses() {
|
||||
return {
|
||||
saveable: this.canSave, // true
|
||||
modified: !this.isUnchanged, // false
|
||||
special: this.isSpecial, // true
|
||||
}
|
||||
}
|
||||
|
||||
setStyles() {
|
||||
return {
|
||||
'font-style': this.canSave ? 'italic' : 'normal', // italic
|
||||
'font-weight': !this.isUnchanged ? 'bold' : 'normal', // normal
|
||||
'font-size': this.isSpecial ? 'larger' : 'smaller', // larger
|
||||
}
|
||||
}
|
||||
|
||||
toeChoice(picker:HTMLFieldSetElement){
|
||||
let choices = picker.children;
|
||||
for (let i=0; i<choices.length; i++){
|
||||
var choice = <HTMLInputElement>choices[i];
|
||||
if (choice.checked) {return choice.value}
|
||||
}
|
||||
}
|
||||
|
||||
title = 'Template Syntax'
|
||||
val=2;
|
||||
// villainImageUrl = 'http://www.clker.com/cliparts/u/s/y/L/x/9/villain-man-hi.png'
|
||||
villainImageUrl = 'images/villain.png'
|
||||
|
||||
|
||||
}
|
||||
|
||||
bootstrap(AppComponent);
|
|
@ -0,0 +1,3 @@
|
|||
import {bootstrap} from 'angular2/platform/browser';
|
||||
import {AppComponent} from './app.component';
|
||||
bootstrap(AppComponent);
|
|
@ -0,0 +1,11 @@
|
|||
// Useful for spying on an element
|
||||
// for fun; not used (yet)
|
||||
import {Directive, ElementRef} from 'angular2/core';
|
||||
|
||||
// set the selector for the element type to spy on.
|
||||
@Directive({selector: 'select'})
|
||||
export class DecoratorDirective {
|
||||
constructor(el: ElementRef){
|
||||
console.log(el)
|
||||
}
|
||||
}
|
|
@ -0,0 +1,70 @@
|
|||
import {Component, Input, Output, EventEmitter} from 'angular2/core';
|
||||
|
||||
import {Hero} from './hero';
|
||||
|
||||
let nextHeroDetailId = 1;
|
||||
|
||||
// #docregion input-output-2
|
||||
@Component({
|
||||
// #enddocregion input-output-2
|
||||
selector: 'hero-detail',
|
||||
// #docregion input-output-2
|
||||
inputs: ['hero'],
|
||||
outputs: ['deleted'],
|
||||
// #enddocregion input-output-2
|
||||
template: `
|
||||
<div id="lh{{id}}">
|
||||
{{hero?.fullName}}
|
||||
<img src="{{heroImageUrl}}" style="height:24px">
|
||||
<a href="#lh{{id}}" (click)="onDelete()">delete</a>
|
||||
</div>`
|
||||
// #docregion input-output-2
|
||||
})
|
||||
// #enddocregion input-output-2
|
||||
export class HeroDetailComponent {
|
||||
hero: Hero;
|
||||
// #docregion deleted
|
||||
deleted = new EventEmitter<Hero>();
|
||||
onDelete() {
|
||||
this.deleted.emit(this.hero);
|
||||
}
|
||||
// #enddocregion
|
||||
|
||||
// heroImageUrl = 'http://www.wpclipart.com/cartoon/people/hero/hero_silhoutte_T.png';
|
||||
// Public Domain terms of use: http://www.wpclipart.com/terms.html
|
||||
heroImageUrl = 'images/hero.png';
|
||||
id = nextHeroDetailId++;
|
||||
|
||||
}
|
||||
|
||||
@Component({
|
||||
selector: 'big-hero-detail',
|
||||
/*
|
||||
inputs: ['hero'],
|
||||
outputs: ['deleted'],
|
||||
*/
|
||||
template: `
|
||||
<div style="border: 1px solid black; padding:3px">
|
||||
<img src="{{heroImageUrl}}" style="float:left; margin-right:8px;">
|
||||
<div><b>{{hero?.fullName}}</b></div>
|
||||
<div>First: {{hero?.firstName}}</div>
|
||||
<div>Last: {{hero?.lastName}}</div>
|
||||
<div>Birthdate: {{hero?.birthdate | date:'longDate'}}</div>
|
||||
<div>Web: <a href="{{hero?.url}}" target="_blank">{{hero?.url}}</a></div>
|
||||
<div>Rate/hr: {{hero?.rate | currency:'EUR'}}</div>
|
||||
<br clear="all">
|
||||
<button (click)="onDelete()">Delete</button>
|
||||
</div>
|
||||
`
|
||||
})
|
||||
export class BigHeroDetailComponent extends HeroDetailComponent {
|
||||
|
||||
// #docregion input-output-1
|
||||
@Input() hero: Hero;
|
||||
@Output() deleted = new EventEmitter<Hero>();
|
||||
// #enddocregion input-output-1
|
||||
|
||||
onDelete() {
|
||||
this.deleted.emit(this.hero);
|
||||
}
|
||||
}
|
|
@ -0,0 +1,30 @@
|
|||
export class Hero {
|
||||
public id:number
|
||||
|
||||
constructor(
|
||||
public firstName:string,
|
||||
public lastName?:string,
|
||||
public birthdate?:Date,
|
||||
public url?:string,
|
||||
public rate:number = 100) {
|
||||
this.id = Hero.nextId++;
|
||||
}
|
||||
|
||||
get fullName() {return `${this.firstName} ${this.lastName}`;}
|
||||
|
||||
static nextId = 1;
|
||||
|
||||
static MockHeroes = [
|
||||
new Hero(
|
||||
'Hercules',
|
||||
'Son of Zeus',
|
||||
new Date(1970, 1, 25),
|
||||
'http://www.imdb.com/title/tt0065832/',
|
||||
325),
|
||||
|
||||
new Hero('eenie', 'toe'),
|
||||
new Hero('Meanie', 'Toe'),
|
||||
new Hero('Miny', 'Toe'),
|
||||
new Hero('Moe', 'Toe')
|
||||
];
|
||||
}
|
|
@ -0,0 +1,32 @@
|
|||
import {Directive, Output, ElementRef, EventEmitter} from 'angular2/core';
|
||||
|
||||
@Directive({selector:'[my-click]'})
|
||||
export class MyClickDirective {
|
||||
// #docregion my-click-output-1
|
||||
@Output('myClick') clicks = new EventEmitter<string>();
|
||||
// #enddocregion my-click-output-1
|
||||
constructor(el: ElementRef){
|
||||
el.nativeElement
|
||||
.addEventListener('click', (event:Event) => {
|
||||
this.clicks.emit('Click!');
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// #docregion my-click-output-2
|
||||
@Directive({
|
||||
// #enddocregion my-click-output-2
|
||||
selector:'[my-click2]',
|
||||
// #docregion my-click-output-2
|
||||
outputs:['clicks:myClick']
|
||||
})
|
||||
// #enddocregion my-click-output-2
|
||||
export class MyClickDirective2 {
|
||||
clicks = new EventEmitter<string>();
|
||||
constructor(el: ElementRef){
|
||||
el.nativeElement
|
||||
.addEventListener('click', (event:Event) => {
|
||||
this.clicks.emit('Click!');
|
||||
});
|
||||
}
|
||||
}
|
|
@ -2,21 +2,19 @@
|
|||
<html>
|
||||
<head>
|
||||
<title>Template Syntax</title>
|
||||
<link rel="stylesheet" href="styles.css">
|
||||
<link rel="stylesheet" href="styles.css">
|
||||
<script src="../node_modules/systemjs/dist/system.src.js"></script>
|
||||
<script src="../node_modules/angular2/bundles/angular2.dev.js"></script>
|
||||
<script>
|
||||
System.config({
|
||||
packages: {'app': {defaultExtension: 'js'}}
|
||||
});
|
||||
System.import('app/app');
|
||||
System.import('app/boot');
|
||||
</script>
|
||||
</head>
|
||||
|
||||
<body>
|
||||
<my-app>Loading...</my-app>
|
||||
<hr>
|
||||
<little-tour>Loading...</little-tour>
|
||||
</body>
|
||||
|
||||
</html>
|
|
@ -4,6 +4,8 @@ img {height: 100px;}
|
|||
.child-div {margin-left: 1em; font-weight: normal}
|
||||
.hidden {display: none}
|
||||
.parent-div {margin-top: 1em; font-weight: bold}
|
||||
.special {font-weight:bold;}
|
||||
.special {font-weight:bold; font-size: x-large}
|
||||
.bad {color: red;}
|
||||
.curly {font-family: "Brush Script MT"}
|
||||
.toe {margin-left: 1em; font-style: italic;}
|
||||
little-hero {color:blue; font-size: smaller; background-color: Turquoise }
|
File diff suppressed because it is too large
Load Diff
|
@ -4,6 +4,8 @@ include ../../../../_includes/_util-fns
|
|||
When the user clicks a link, pushes a button, or types on the keyboard
|
||||
we want to know about it. These user actions all raise DOM events.
|
||||
In this chapter we learn to bind to those events using the Angular Event Binding syntax.
|
||||
|
||||
[Live Example](/resources/live-examples/user-input/ts/src/plnkr.html).
|
||||
|
||||
:marked
|
||||
## Binding to User Input Events
|
||||
|
|
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Reference in New Issue